database: eFloras: Flora of China, 2011; eFloras, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Published on the Internet http://www.efloras.org
database: Amaranthaceae and Phytolaccaceae of North America Update; Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov